/**
 * KopsoxFramework
 * Copyright (C) 2010 Free Software Foundation, Inc. <http://fsf.org/>
 * 
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.kopsox.comm.message;

import java.io.Serializable;

import org.kopsox.data.Value;
import org.kopsox.general.type.ValueType;

/**
 * Messages which are sent with or from a Value.<br>
 *
 * @author Konrad Renner
 *
 */
public interface ValueMessage extends Message {
	
	/**
	 * Gets the value which is send with the message
	 * @return Value
	 */
	public Value<Serializable> getMessageValue();
	
	/**
	 * Gets the Old-Value, if the message is send after a Value-change
	 * @return Value
	 */
	public Serializable getOldValue();
	
	/**
	 * Gets the Type from the old value
	 * 
	 * @return ValueType
	 */
	public ValueType getTypeFromOldValue();
}
